Author Question: A chart where the values of the variable are placed along the abscissa, the absolute frequency or ... (Read 30 times)

lracut11 · **on:** Jun 29, 2018

A chart where the values of the variable are placed along the abscissa, the absolute frequency or relative frequency of occurrence of the values are indicated along the ordinate, and the midpoints of the bars are connected is a
a. matrix.
b. cumulative distribution function.
c. histogram.
d. frequency polygon.
e. midpoint chart.

Question 2

Which of the following is TRUE?
a. A frequency polygon is developed by connecting the points of change in a cumulative distribution function.
b. The frequency polygon is obtained from the histogram by connecting the midpoints of the bars with straight lines.
c. The empirical cumulative distribution function is obtained from the histogram by connecting the midpoints of the bars of the histogram with straight lines.
d. The empirical cumulative distribution function can only be generated from the cross tabulation.
e. Histograms are obtained from frequency polygons.